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JOSEPH BERNARD ANTOINE DE BOYS

Overview
  • Total Patents
    11
About

JOSEPH BERNARD ANTOINE DE BOYS has a total of 11 patent applications. Its first patent ever was published in 1932. It filed its patents most often in United Kingdom and Germany. Its main competitors in its focus markets weapons, transport and optics are ANTHONY H G FOKKER, BOURDELLES EMILE and RED EYE ARMS INC.

Patent filings in countries

World map showing JOSEPH BERNARD ANTOINE DE BOYSs patent filings in countries
# Country Total Patents
#1 United Kingdom 9
#2 Germany 2

Patent filings per year

Chart showing JOSEPH BERNARD ANTOINE DE BOYSs patent filings per year from 1900 to 2020

Latest patents

Publication Filing date Title
GB625897A An improved hydraulic servo-motor device for piloting aircraft
GB601402A An improved corrector device, particularly a sighting corrector device for firing ata moving target
GB576115A Improvements in or relating to hydraulic controlling means, more particularly for the landing gear of aircraft
GB501100A Improvements in and relating to automatic devices for supplying liquid under pressure
GB459014A Improvements in or relating to belt-fed automatic fire arms
DE653948C Automatic locking device for movable firearms
GB461453A Apparatus for supplying hydraulic energy for any use and having an automatic clutch
GB424002A Improvements in or relating to universal supporting means for mounting cinematographic cameras or other apparatus on aircraft
DE649140C Carrying and adjusting device for cinematographic recording devices for aircraft